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18 lines
562 B
Rust
18 lines
562 B
Rust
// `Vec<T>` is generic over the type `T`. In most cases, the compiler is able to
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// infer `T`, for example after pushing a value with a concrete type to the vector.
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// But in this exercise, the compiler needs some help through a type annotation.
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fn main() {
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// `u8` and `i8` can both be converted to `i16`.
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let mut numbers: Vec<i16> = Vec::new();
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// ^^^^^^^^^^ added
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// Don't change the lines below.
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let n1: u8 = 42;
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numbers.push(n1.into());
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let n2: i8 = -1;
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numbers.push(n2.into());
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println!("{numbers:?}");
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}
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